zfs and 512/4096 sector sizes

[jd1008]

On 12/17/2014 01:46 PM, Mike Tancsa wrote:
> On 12/17/2014 3:41 PM, jd1008 wrote:
>> One last suggestion:
>> dismantle the whole pool (i.e. remove the drives)
>> and rebuild it fresh using only 512 byte sector drives.
>> Whole adding the drives back in, one at a time,
>> recheck the status after each add and see if the
>> error status appears.
>
> I was hoping for a rather less intrusive option than backing up 10TB 
> of data. Although its a backup of a backup (ie offsite) I was hoping 
> there was a less drastic option available.
>
> I am confident if I "started fresh" with just the 512k sector drives, 
> it will work fine.   The question which remains is, if I replace a 
> single 512 sector drive with a 4k sector drive, and then replace the 
> 4k with another 512k, is there a way to remove said warning, or has 
> something changed about the pool that cannot be undone
>
>     ---Mike
>
>
>
Can you not dismantle the pool without destroying the data?
I mean what if you took it offline, rebuilt the pool with the same
drives in the same slots (one at a time - and recheck status)?